Added SBS test to CTest
Fixed function which was looking for an error in output

Changed from std_stream to err_stream since ndiff prints wanrings in
err_stream
Included natural tune values into getkick*.out

Columns NATQX, NATQXRMS, NATQY and NATQYRMS
Adapted GetLLM_valid.py. Prints also these columns.
Corrected name of a ndiff.py function

Further included files which were omitted in comparing in
SegmentBySegment test.
Added a print in interaction_point.py
Introduced utility to check if given tunes in a tfs file are valid.
Fix for SBS test

Probably was the problem the additional '/'s
wrong test path
Added missing column ALFMDL in sbsalfax output file
Merge branch 'master' of git://github.com/pylhc/Beta-Beat.src
Added tfs_file.py in Utilities. Checks (NAT)Q*, (NAT)Q*RMS for
tfs_files.
Changed function so include custom configurations for files

It is possible to add a dictionary with filename --> path_to_cfg_file
Added a special cfg file for sbsalfax_IP2.out

Newer version has a column more.
fix to open(x ,'w') so file will be created
removed file we don't want to track
Added Python_Classes4MAD as a submodule
Adapted paths to PythonClasses4MAD in main files
Removed some symbolic links since they are not used anymore

madxrunner.py is now within the repository in PythonClasses4MAD
Python_Classes4MAD is a submodule
Directory DRIVE.Massimo does not exist anymore
@rogeliotomas If they are used for some reason, let me know.